Hardware Spec Index

Caldera CL-5991 Pro 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL5991-PRO · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index1,680 (CPU Coolers scale)
Category rank#45,856
Street price$99
Power13 W
Performance per dollar16.97
Released2020

Specifications

BrandCaldera
ModelCaldera CL-5991 Pro
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 2,300 RPM
Pump3,300 RPM
Rated cooling280 W (manufacturer rating)
Noise34 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

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Cite this page: Hardware Spec Index, “Caldera CL-5991 Pro 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4675347 (accessed 2026-10-21).